Use en-dash in the time range instead of a hyphen for different format am: 91adbd3b16

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/17782706

Change-Id: I4616826eb10441dd13c2eeec9c09262d86e23bcb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

src/com/android/settings/fuelgauge/BatteryChartPreferenceController.java

@@ -508,7 +508,9 @@ public class BatteryChartPreferenceController extends AbstractPreferenceControll
             mBatteryHistoryKeys[mTrapezoidIndex * 2], mIs24HourFormat);
         final String toHour = ConvertUtils.utcToLocalTimeHour(mPrefContext,
             mBatteryHistoryKeys[(mTrapezoidIndex + 1) * 2], mIs24HourFormat);
-        return String.format("%s - %s", fromHour, toHour);
+        return mIs24HourFormat
+            ? String.format("%s–%s", fromHour, toHour)
+            : String.format("%s – %s", fromHour, toHour);
     }
 
     @VisibleForTesting